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Book Chapter |
This activity involves an exploration of density. Why does oil float on water? How does drain cleaner sink down into the clogged pipe right through standing water? These questions will be answered as students make a…
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Book Chapter |
Iron is solid, mercury is liquid, and nitrogen is a gas. Liquid nitrogen is used to perform lots of interesting and fun experiments. Demonstrations exploiting the extreme cold of liquid nitrogen provide entertainment…
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Book Chapter |
The purpose of this assessment probe is to elicit students’ ideas about the concept of matter. It is designed to find out how students define matter and whether they recognize that all three states—solids, liquids, and…
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Energy Transfer Between Liquids
Book Chapter |
The guiding question of this investigation is, How can we predict how much the temperature of 100 ml of water will change when we add different amounts of hot water to it? In this lesson, the goal is to figure out a…
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Engineering Your Own Liquid Soap
Journal Article |
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Solid or Liquid? Rock Behavior Within Earth
Book Chapter |
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Disequilibrium: Layered Liquids
Journal Article |
This column shows how to use discrepant events to confront misconceptions. Students may hold onto the misconception that all liquids naturally combine when put into the same container (e.g., adding food coloring to…
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Disequilibrium: Oobleck: Is It a Solid or Liquid?
Journal Article |
This column shows how to use discrepant events to confront misconceptions. This article discusses two engagement activities using oobleck.
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Are Clouds a Solid, Liquid, or Gas?
Journal Article |
Confronting fifth graders’ misconceptions about states of matter and the water cycle
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Journal Article |
As prices soar to over $3 a gallon, “it” has become a hotly contested political issue. Wars and other international conflicts have erupted over access to “it,” and pumping “it” out of the ground has become more and more…
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